Control process and apparatus for the production of cigarette fi

Details Control process and apparatus for the production of cigarette fi Control process and apparatus for the production of cigarette fi

1990-07-13

1992-05-26

Kisliuk, Bruce M.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Cigarette filter making

493 37, 493 40, 73 38, 131906, B31C 1300

Patent

active

051162989

ABSTRACT:
To improve quality control a cigarette filter manufacturing line is provided with a testing station which periodically removes a filter to test the diameter and resistance to draw. The mean diameter and RTD of a number of filters is calculated and compared to acceptable ranges. Adjustments are made to the manufacturing line to correct any unacceptable values according to a set of priorities dependent on the degree and sense of the inaccuracies.

REFERENCES:
patent: T941011 (1975-12-01), Morrison et al.
patent: 3380351 (1968-04-01), Cox et al.
patent: 3971695 (1976-07-01), Block
patent: 3974007 (1976-08-01), Greve
patent: 4175479 (1979-11-01), Roullier
patent: 4341109 (1982-07-01), Evans, Jr.
patent: 4355535 (1982-10-01), Vaughan
patent: 4363235 (1982-12-01), Vulliens et al.
patent: 4567752 (1986-02-01), Labbe 73 38
Filtrona Instruments & Automation Ltd., "Quartet Systems for Filters" brochure, undated.

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